ES2206268T3 - Isocianatos claros, procedimiento para su obtencion y su empleo. - Google Patents

Isocianatos claros, procedimiento para su obtencion y su empleo.

Info

Publication number: ES2206268T3
Authority: ES; Spain
Prior art keywords: bromine; phosgene; iodine; obtaining; isocyanates
Prior art date: 1999-06-23
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

ES00943828T

Other languages

English (en)

Spanish (es)

Inventor

Martin Reif

Peter Van Den Abeel

Filip Nevejans

Hans Volkmar Schwarz

Ulrich Penzel

Volker Scharr

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

BASF SE

Original Assignee

BASF SE

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1999-06-23

Filing date

2000-06-16

Publication date

2004-05-16

2000-06-16 Application filed by BASF SE filed Critical BASF SE

2004-05-16 Application granted granted Critical

2004-05-16 Publication of ES2206268T3 publication Critical patent/ES2206268T3/es

2020-06-16 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 51
WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims abstract description 65
GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims abstract description 60
229910052794 bromium Inorganic materials 0.000 claims abstract description 60
239000012948 isocyanate Substances 0.000 claims abstract description 49
YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims abstract description 47
150000002513 isocyanates Chemical class 0.000 claims abstract description 47
239000000203 mixture Substances 0.000 claims abstract description 45
150000001412 amines Chemical class 0.000 claims abstract description 28
PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims abstract description 26
238000006243 chemical reaction Methods 0.000 claims description 20
239000002904 solvent Substances 0.000 claims description 15
ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical class C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 claims description 6
UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 20
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 20
229910052801 chlorine Inorganic materials 0.000 description 20
239000000460 chlorine Substances 0.000 description 20
ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 19
239000011630 iodine Substances 0.000 description 18
229910052740 iodine Inorganic materials 0.000 description 18
239000000047 product Substances 0.000 description 15
230000015572 biosynthetic process Effects 0.000 description 11
MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 10
238000000926 separation method Methods 0.000 description 8
-1 aromatic isocyanates Chemical class 0.000 description 7
229920000642 polymer Polymers 0.000 description 7
238000011282 treatment Methods 0.000 description 7
239000004814 polyurethane Substances 0.000 description 6
238000003786 synthesis reaction Methods 0.000 description 6
238000004821 distillation Methods 0.000 description 5
229920000768 polyamine Polymers 0.000 description 5
229920002635 polyurethane Polymers 0.000 description 5
PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 4
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 4
150000001875 compounds Chemical class 0.000 description 4
239000006260 foam Substances 0.000 description 4
239000002243 precursor Substances 0.000 description 4
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
229920005830 Polyurethane Foam Polymers 0.000 description 3
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
229910052799 carbon Inorganic materials 0.000 description 3
239000006103 coloring component Substances 0.000 description 3
125000005442 diisocyanate group Chemical group 0.000 description 3
150000002497 iodine compounds Chemical class 0.000 description 3
239000000178 monomer Substances 0.000 description 3
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
239000000049 pigment Substances 0.000 description 3
239000005056 polyisocyanate Substances 0.000 description 3
229920001228 polyisocyanate Polymers 0.000 description 3
239000011496 polyurethane foam Substances 0.000 description 3
150000003141 primary amines Chemical class 0.000 description 3
150000003839 salts Chemical class 0.000 description 3
CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 3
150000003673 urethanes Chemical class 0.000 description 3
RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 2
RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 description 2
CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
229920000265 Polyparaphenylene Polymers 0.000 description 2
WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
239000000654 additive Substances 0.000 description 2
125000001931 aliphatic group Chemical group 0.000 description 2
125000003118 aryl group Chemical group 0.000 description 2
125000004429 atom Chemical group 0.000 description 2
238000009833 condensation Methods 0.000 description 2
230000005494 condensation Effects 0.000 description 2
PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 2
USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
238000005868 electrolysis reaction Methods 0.000 description 2
NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
239000001257 hydrogen Substances 0.000 description 2
229910052739 hydrogen Inorganic materials 0.000 description 2
238000003780 insertion Methods 0.000 description 2
230000037431 insertion Effects 0.000 description 2
HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 2
230000003647 oxidation Effects 0.000 description 2
238000007254 oxidation reaction Methods 0.000 description 2
RZXMPPFPUUCRFN-UHFFFAOYSA-N p-toluidine Chemical compound CC1=CC=C(N)C=C1 RZXMPPFPUUCRFN-UHFFFAOYSA-N 0.000 description 2
238000000746 purification Methods 0.000 description 2
239000000243 solution Substances 0.000 description 2
239000007858 starting material Substances 0.000 description 2
238000003756 stirring Methods 0.000 description 2
239000000126 substance Substances 0.000 description 2
XFNJVJPLKCPIBV-UHFFFAOYSA-N trimethylenediamine Chemical compound NCCCN XFNJVJPLKCPIBV-UHFFFAOYSA-N 0.000 description 2
238000005406 washing Methods 0.000 description 2
MTZUIIAIAKMWLI-UHFFFAOYSA-N 1,2-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC=C1N=C=O MTZUIIAIAKMWLI-UHFFFAOYSA-N 0.000 description 1
GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 1
RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
229940008841 1,6-hexamethylene diisocyanate Drugs 0.000 description 1
RLYCRLGLCUXUPO-UHFFFAOYSA-N 2,6-diaminotoluene Chemical compound CC1=C(N)C=CC=C1N RLYCRLGLCUXUPO-UHFFFAOYSA-N 0.000 description 1
FZZMTSNZRBFGGU-UHFFFAOYSA-N 2-chloro-7-fluoroquinazolin-4-amine Chemical compound FC1=CC=C2C(N)=NC(Cl)=NC2=C1 FZZMTSNZRBFGGU-UHFFFAOYSA-N 0.000 description 1
CNPURSDMOWDNOQ-UHFFFAOYSA-N 4-methoxy-7h-pyrrolo[2,3-d]pyrimidin-2-amine Chemical compound COC1=NC(N)=NC2=C1C=CN2 CNPURSDMOWDNOQ-UHFFFAOYSA-N 0.000 description 1
229910014265 BrCl Inorganic materials 0.000 description 1
GPZPFPDXANIJTC-UHFFFAOYSA-N COBrF Chemical compound COBrF GPZPFPDXANIJTC-UHFFFAOYSA-N 0.000 description 1
XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
238000007138 Deacon process reaction Methods 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
AFBPFSWMIHJQDM-UHFFFAOYSA-N N-methyl-N-phenylamine Natural products CNC1=CC=CC=C1 AFBPFSWMIHJQDM-UHFFFAOYSA-N 0.000 description 1
229920000538 Poly[(phenyl isocyanate)-co-formaldehyde] Polymers 0.000 description 1
239000004721 Polyphenylene oxide Substances 0.000 description 1
206010040925 Skin striae Diseases 0.000 description 1
208000031439 Striae Distensae Diseases 0.000 description 1
238000006887 Ullmann reaction Methods 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
150000001335 aliphatic alkanes Chemical class 0.000 description 1
150000001491 aromatic compounds Chemical class 0.000 description 1
238000009835 boiling Methods 0.000 description 1
CODNYICXDISAEA-UHFFFAOYSA-N bromine monochloride Chemical compound BrCl CODNYICXDISAEA-UHFFFAOYSA-N 0.000 description 1
125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
VHRGRCVQAFMJIZ-UHFFFAOYSA-N cadaverine Chemical compound NCCCCCN VHRGRCVQAFMJIZ-UHFFFAOYSA-N 0.000 description 1
125000004432 carbon atom Chemical group C* 0.000 description 1
150000001735 carboxylic acids Chemical class 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
239000003638 chemical reducing agent Substances 0.000 description 1
150000001924 cycloalkanes Chemical class 0.000 description 1
KQWGXHWJMSMDJJ-UHFFFAOYSA-N cyclohexyl isocyanate Chemical compound O=C=NC1CCCCC1 KQWGXHWJMSMDJJ-UHFFFAOYSA-N 0.000 description 1
DIOQZVSQGTUSAI-NJFSPNSNSA-N decane Chemical compound CCCCCCCCC[14CH3] DIOQZVSQGTUSAI-NJFSPNSNSA-N 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
238000013461 design Methods 0.000 description 1
229940117389 dichlorobenzene Drugs 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 1
230000000694 effects Effects 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
150000002170 ethers Chemical class 0.000 description 1
238000000605 extraction Methods 0.000 description 1
239000000945 filler Substances 0.000 description 1
238000012921 fluorescence analysis Methods 0.000 description 1
239000007789 gas Substances 0.000 description 1
RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
229910000042 hydrogen bromide Inorganic materials 0.000 description 1
238000009434 installation Methods 0.000 description 1
230000002452 interceptive effect Effects 0.000 description 1
IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
DIOQZVSQGTUSAI-UHFFFAOYSA-N n-butylhexane Natural products CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 1
KQSABULTKYLFEV-UHFFFAOYSA-N naphthalene-1,5-diamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1N KQSABULTKYLFEV-UHFFFAOYSA-N 0.000 description 1
150000002790 naphthalenes Chemical class 0.000 description 1
TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
DGTNSSLYPYDJGL-UHFFFAOYSA-N phenyl isocyanate Chemical compound O=C=NC1=CC=CC=C1 DGTNSSLYPYDJGL-UHFFFAOYSA-N 0.000 description 1
229920000570 polyether Polymers 0.000 description 1
229920005862 polyol Polymers 0.000 description 1
150000003077 polyols Chemical class 0.000 description 1
238000012545 processing Methods 0.000 description 1
KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 1
239000002994 raw material Substances 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000007086 side reaction Methods 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 1
230000000007 visual effect Effects 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
239000008096 xylene Substances 0.000 description 1
150000003738 xylenes Chemical class 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Polyurethanes Or Polyureas (AREA)
Excavating Of Shafts Or Tunnels (AREA)
Eye Examination Apparatus (AREA)
Dental Preparations (AREA)

ES00943828T 1999-06-23 2000-06-16 Isocianatos claros, procedimiento para su obtencion y su empleo. Expired - Lifetime ES2206268T3 (es)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19928741		1999-06-23
DE19928741A DE19928741A1 (de)	1999-06-23	1999-06-23	Helle Isocyanate, Verfahren zu deren Herstellung und deren Verwendung

Publications (1)

Publication Number	Publication Date
ES2206268T3 true ES2206268T3 (es)	2004-05-16

Family

ID=7912253

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES00943828T Expired - Lifetime ES2206268T3 (es)	1999-06-23	2000-06-16	Isocianatos claros, procedimiento para su obtencion y su empleo.

Country Status (11)

Country	Link
US (1)	US6900348B1 (de)
EP (1)	EP1187808B1 (de)
JP (1)	JP4722352B2 (de)
KR (1)	KR100686302B1 (de)
CN (1)	CN1182108C (de)
AT (1)	ATE247635T1 (de)
DE (2)	DE19928741A1 (de)
ES (1)	ES2206268T3 (de)
HU (1)	HU222987B1 (de)
PT (1)	PT1187808E (de)
WO (1)	WO2001000569A1 (de)

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DE10235476A1 (de)	2002-08-02	2004-02-12	Basf Ag	Integriertes Verfahren zur Herstellung von Isocyanaten
AU2006252770B2 (en) *	2005-05-30	2011-02-03	Huntsman International Llc	Process for the preparation of polyisocyanates of the diphenylmethane series
DE102006002157A1 (de) *	2006-01-17	2007-07-19	Bayer Materialscience Ag	Verfahren zur Herstellung heller Isocyanate
US8030522B2 (en) *	2006-06-07	2011-10-04	Bayer Materialscience Llc	Process for the production of toluene diisocyanate
ES2558857T3 (es)	2007-01-17	2016-02-09	Basf Se	Procedimiento para la preparación de isocianatos
ES2582173T3 (es) *	2007-11-14	2016-09-09	Covestro Deutschland Ag	Preparación de isocianatos de color claro
HUE030997T2 (en) *	2008-11-26	2017-06-28	Huntsman Int Llc	Process for the preparation of isocyanates
CN102803200B (zh) *	2009-04-24	2014-12-31	巴斯夫欧洲公司	制备颜色稳定的mda和mdi的方法
EP2454231A2 (de) *	2009-07-14	2012-05-23	Basf Se	Verfahren für die zubereitung von hell gefärbten isocyanaten der diphenylmethan-serie
KR101829472B1 (ko)	2009-11-13	2018-02-14	바스프 에스이	염소 공급물의 정제 방법
US9090804B2 (en) *	2010-08-27	2015-07-28	Inventure Renewables, Inc.	Methods for generating mixtures of diisocyanates by phosgenation of diamino alkyl esters
US9279029B2 (en)	2011-10-21	2016-03-08	Bayer Intellectual Property Gmbh	Method for producing light-coloured polyisocyanates
WO2014139879A1 (de)	2013-03-12	2014-09-18	Bayer Materialscience Ag	Verfahren zur herstellung von tdi-trimerisaten mit besonderer reinheit
US10189945B2 (en)	2013-03-12	2019-01-29	Covestro Deutschland Ag	Method for producing light-coloured TDI-polyisocyanates
EP2896597A1 (de)	2014-01-21	2015-07-22	Bayer MaterialScience AG	Verfahren zum An- und Abfahren eines Phosgengenerators
CN103922969B (zh) *	2014-04-10	2016-01-20	万华化学集团股份有限公司	一种制备颜色稳定的1,6-己二异氰酸酯的方法
CN109761855B (zh)	2018-12-20	2020-07-28	万华化学集团股份有限公司	一种制备异佛尔酮二异氰酸酯的方法
KR102915554B1 (ko)	2019-04-25	2026-01-20	바스프 에스이	포스겐의 제조 방법
CN112111044B (zh) *	2019-06-21	2021-06-29	万华化学集团股份有限公司	一种聚异氰酸酯组合物及其制备方法和应用
CN111635502B (zh) *	2020-06-10	2022-04-22	万华化学集团股份有限公司	一种多异氰酸酯组合物及其制备方法和用途
CN114349664B (zh) *	2022-01-17	2023-08-11	万华化学（宁波）有限公司	一种低溴含量异氰酸酯的制备方法
KR20250053185A (ko)	2022-11-17	2025-04-21	완후아 케미컬 그룹 코., 엘티디	이소시아네이트 조성물과 이의 제조방법 및 용도
CN119409598B (zh) *	2024-10-31	2025-12-16	万华化学集团股份有限公司	一种制备浅色异氰酸酯、聚氨酯的方法

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DE2323299C3 (de) *	1973-05-09	1983-12-08	Chemische Werke Hüls AG, 4370 Marl	Verfahren zur kontinuierlichen Herstellung von 1-Isocyanato-3-(isocyanatomethyl)-3,5,5-trimethylcyclohexan
JPS5470220A (en) *	1977-11-11	1979-06-05	Mitsui Toatsu Chem Inc	Preparation of organic isocyanate
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DE3329124A1 (de)	1983-08-11	1985-02-28	Bayer Ag, 5090 Leverkusen	Verfahren zur reinigung von polyisocyanaten und die so gereinigten polyisocyanate
DE4006976A1 (de)	1990-03-06	1991-09-12	Basf Ag	Verfahren zur herstellung von mischungen aus diphenylmethan-diisocyanaten und polyphenyl-polymethylen-polyisocyanaten mit einer verminderten iodfarbzahl
DE4008074A1 (de)	1990-03-14	1991-09-19	Basf Ag	Verfahren zur qualitaetsverbesserung von rohen diaminodiphenylmethanen
DE4021712A1 (de)	1990-07-07	1992-01-09	Basf Ag	Verfahren zur herstellung von mischungen aus diphenylmethan-diisocyanaten und polyphenol-polymethylen-polyisocyanaten mit einer verminderten iodfarbzahl
DE69107212T2 (de)	1991-10-19	1995-05-24	Basf Corp	Verfahren zur Herstellung von polymerischen Methylen-dyphenylen-diisocyanaten mit verminderter Farbe und Chloridgehalt.
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US5312971A (en)	1992-07-23	1994-05-17	Miles Inc.	Color reduction of polymethylene polyphenyl polyisocyanates
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DE59503894D1 (de) *	1994-04-07	1998-11-19	Bayer Ag	Verfahren zur Herstellung von Isocyanaten oder Isocyanatgemischen
FR2723585B1 (fr) *	1994-08-12	1996-09-27	Rhone Poulenc Chimie	Procede de preparation de composes du type polyisocyanates aromatiques en phase gazeuse.
IN190134B (de) *	1995-12-28	2003-06-21	Du Pont
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1999
- 1999-06-23 DE DE19928741A patent/DE19928741A1/de not_active Withdrawn
2000
- 2000-06-16 ES ES00943828T patent/ES2206268T3/es not_active Expired - Lifetime
- 2000-06-16 PT PT00943828T patent/PT1187808E/pt unknown
- 2000-06-16 EP EP00943828A patent/EP1187808B1/de not_active Expired - Lifetime
- 2000-06-16 WO PCT/EP2000/005610 patent/WO2001000569A1/de not_active Ceased
- 2000-06-16 AT AT00943828T patent/ATE247635T1/de not_active IP Right Cessation
- 2000-06-16 DE DE50003380T patent/DE50003380D1/de not_active Expired - Lifetime
- 2000-06-16 CN CNB008093016A patent/CN1182108C/zh not_active Expired - Lifetime
- 2000-06-16 JP JP2001506982A patent/JP4722352B2/ja not_active Expired - Fee Related
- 2000-06-16 HU HU0201848A patent/HU222987B1/hu not_active IP Right Cessation
- 2000-06-16 KR KR1020017016494A patent/KR100686302B1/ko not_active Expired - Lifetime
- 2000-06-16 US US10/018,636 patent/US6900348B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE19928741A1 (de)	2000-12-28
US6900348B1 (en)	2005-05-31
HUP0201848A2 (en)	2002-09-28
HU222987B1 (hu)	2004-01-28
EP1187808A1 (de)	2002-03-20
JP4722352B2 (ja)	2011-07-13
WO2001000569A1 (de)	2001-01-04
JP2003503383A (ja)	2003-01-28
DE50003380D1 (de)	2003-09-25
ATE247635T1 (de)	2003-09-15
KR20020010726A (ko)	2002-02-04
CN1182108C (zh)	2004-12-29
KR100686302B1 (ko)	2007-02-23
CN1356980A (zh)	2002-07-03
PT1187808E (pt)	2003-12-31
EP1187808B1 (de)	2003-08-20

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